I have an 06 6 speed 3800 valair dd clutch and intake,exhaust,head studs,air dog II 165, sump and that is it for rite now. More to come when i get some more cash. Just looking mainly for opinions on where to get it from. I want the dsp5 switch as well. Turbo possibly twins and a modified cp3 and tips are in the future. I am shooting for 600-650 horse which should not be too difficult. Thank you for your time.